Kepler's first law states that a planet moves around the Sun in a(n)
A) circle, with the Sun at the center.
B) elliptical orbit, with the Sun at one focus.
C) elliptical orbit, with the Sun on the minor axis of the ellipse.
D) elliptical orbit, with the Sun at the center of the ellipse.

Question

Quizplus · Accepted Answer

Kepler's first law, also known as the law of ellipses, states that planets move in elliptical orbits with the Sun at one of the two foci, not at the center. This distinguishes it from a circular orbit where the central body would be at the center.

Kepler's First Law States That a Planet Moves Around the Sun